import java.sql.Connection;import java.sql.DriverManager;import java.sql.PreparedStatement;import java.sql.Timestamp;public class DataBaseTest { private Connection conn; PreparedStatement pStmt=null; private void test(){ try{ Class.forName("com.mysql.jdbc.Driver").newInstance();String url ="jdbc:mysql://localhost:3306/rhino?user=root&password=&useUnicode=true&characterEncoding=UTF-8"; Connection conn= DriverManager.getConnection(url); System.out.println("connect to database successfully!"); pStmt=conn.prepareStatement("INSERT INTO RH_ENTRY"+ "(id,allow_comments,category_id,comment_count,content,create_on,name,status)"+ "values(?,?,?,?,?,?,?,?)"); conn.setAutoCommit(false); java.util.Date date=new java.util.Date(); Timestamp tt=new Timestamp(date.getTime()); pStmt.setInt(1,1); pStmt.setInt(2,1); pStmt.setInt(3,1); pStmt.setInt(4,5); pStmt.setString(5,"shit!!!!!"); pStmt.setTimestamp(6,tt); pStmt.setString(7,"jordan"); pStmt.setInt(8,1); int j=pStmt.executeUpdate(); conn.commit(); if(j!=0) System.out.println("ok"); }catch(Exception e){ try{ conn.rollback(); }catch(Exception e1){ e1.printStackTrace(System.out); } e.printStackTrace(); }finally{ try{ pStmt.close(); }catch(Exception e){ e.printStackTrace(); } }
} public static void main(String args[]){ DataBaseTest dt=new DataBaseTest(); dt.test(); }}
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數值型 整型 JDBC tinyint java.lang.Integer smallint mediumint java.lang.Long int bigint java.math.BigInteger 單精確度浮點型 JDBC float java.lang.Float 雙精確度浮點型 JDBC double java.lang.Double 其他 JDBC decimal java.math.BigDecimal 字元型 JDBC char java.lang.String varchar tinytext text mediumtext longtext 日期型 JDBC date java.sql.Date datetime java.sql.Timestamp timestamp java.sql.Timestamp time java.sql.Time year java.sql.Date 其他 tinyblob 待定 blob mediumblob longblob enum set -------------------------------------------------------------------------------------------------------java.util.Date date = new java.util.Date(); Timestamp timeStamp = new Timestamp(date.getTime()); music.setTime(timeStamp); -------------------------------------------------------------------------------------------------------private Date time = null;public Date getTime() { return time; } public void setTime(Date time) { this.time = time; } 字串類型如何轉換為日期類型
- public static void main(String[] args) {
- String d = "2008-10-13 15:20:25";
- SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
- try {
- System.out.println(sdf.parse(d));
- } catch (Exception e) {
- }
- }
附一句 Timestamp t=new Timestamp(Calendar.getInstance().getTime().getTime()); |